Natural Sea Water.. all Input appreciated

blairdawg

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#1
So I work for Mobile Marine Lab and we get all our NSW from the harbor for our tide pool creatures. We pump it into a 500 g holding tank. I have been debating using this water for my reef tank for a while now. I read alot from the reef central and I'm still indecisive. I also see that the UCSB tab is gone. Do you guys think the water from Channel Islands harbor is alot worse than the UCSB water? I cant decide if I should use the water.. If anyone can help me out with my decision that would be great..
 

reef_doug

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#2
The UCSB was deep sand bed filtered to 2 microns I believe. The tap is closed down due to construction on campus. I believe Scripps is still open.

I've used UCSB NSW before and had some algae issues, but the soft corals and fish responded very nicely to it. It does have more nutrient than ASW and can be lower in Calcium & Mg than what we run SPS at.

I basically wouldn't use it unless if it was deep sand bed filtered, even then I would have my concerns when using it on an SPS dominant tank.
 

philv

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#3
I've used Scripps water for years when my kid went to UCSD, like UCSB the water is also sand filtered, they use this water for their displays at the Birch aquarium in La Jolla, I have an SPS tank and I run a Calcium reactor with good results, lately i've been using water from the Kerckhoff Marine Laboratory in Corona Del Mar with no ill affects, by the way, the Scripps tap is also closed for construction
 
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#4
Hey Blair I use scripps water too, so far so good. I've been using it since March on my new set up. You tested my water what do you think?
 

blairdawg

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#5
semed pretty good but thats not what I'm worried about. I'm worried about parasites, bacteria or any other unknown substances that can destroy my tank lol
 

therapy

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#6
its pretty common to use scripps here in san diego. Currently closed down due to construction
 
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#7
I live in Orange County and I have been using Scripts for over 3 years. I have never had an issue. I began having issues when I switched to something else.
 
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#8
Hey guys, no offense to all you people using NSW, but I will NEVER use that salt water! I do have a SPS dominant tank though and need the maintain the cleanest of Salt H2O. I use RO/DI water with Tropic Marin Pro reef salt (Pharmaceutical Grade, NOT Commercial!) to obtain the cleanest mix to my corals. I dont see how water out of the ocean can be cleaner than RO or RO/DI water, there is soo much parasites, contaminates, toxic dump, etc.... in the ocean water, DSB filtering might make it a bit cleaner, but cant remove all of these without proper filtering! I have done 100% water changes in my SPS tank with Pro Reef and have NO ISSUES with stress, do that with natural sea water and you tank will prolly crash! I tried using that NSW once at a show and had ALL my Sps stress, if your tank is LPS/Softies only, go for it. But I think having the convenience of a RO/DI unit at home, and mixing quality salt ur self is not only more convenient, but also, cheaper in the long run, and more reassuring, that you will always have the BEST and CLEANEST mix! My 2cents, hope it helps...
 
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#9
IMO from my own experience,
I have never found any of the filtered seawater sold/free to be consistent year round.
Yes, there are many of my service customers and installs that like the convenience of not mixing, but they usually have never ending nusance issues.algae ,diatoms,alk, smell etc..just check out the cleanliness of the water barrel at the store next time you buy some..
Yes, Iam aware of bad batches of synthetic mixes sold in the past.
its up to the user to QC as best we can.

I have visited several places (some in long beach area) and have seen the filtering process, not exactly the super duper cleaning i was expecting.
and watched them add a crap-load of buffer to "get it right" for use
there are many things that due to costs and time ,these companies just didnt do,but the water was clean enough for people to use and for the most part, most hobbyists have pretty good luck with filtered seawater
I also had a customer who worked for a municipal treatment center run some tests on various samples i gave him in his lab some years ago and he found crazy amounts of impurities, such as sulfer,lead, gasoline and petrolium by products ,that spooked me enough to stop .

when u do aquarium service for a living and you ask people to spend all kinds of money for rare or expensive livestock and good equipment, why chance it all to a questionable water source? just to save a few bucks? really?
when livestock dies, customers get upset
then they dont pay you, that is not good for business

all of these animals came from half way around the world and survived all sorts of hell to get here,just so you can put them in a clear box to watch them
why make them suffer existence in water that is not as pure as you can best provide?
all we can do is give them the best possible environment to thrive, not just survive.

right??
 
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#15
on most of the other forums that are local to the free nsw you can see if its open and if people are using it. That would save you a trip.

Nsw is good but as staed by some of the vets you can possibly receive critters that are not beneficial to our caged reefs. That being said I liked the water from Scripps but I would also mix it in with ASW once my tank was established.

You have to buffer the magnesium and calcium for reef tanks. If i had a fowlr tank I wouldnt ever bother with asw.

I saw higher film on my glass of the green type when I used NSW
 

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